2 mcs51 specific general functions.
4 Note that mlh prepended _mcs51_ on the static functions. Makes
5 it easier to set a breakpoint using the debugger.
12 static char _defaultRules[] =
17 /* list of key words used by msc51 */
18 static char *_mcs51_keywords[] =
47 void mcs51_assignRegisters (eBBlock ** ebbs, int count);
49 static int regParmFlg = 0; /* determine if we can register a parameter */
54 asm_addTree (&asm_asxxxx_mapping);
58 _mcs51_reset_regparm ()
64 _mcs51_regparm (sym_link * l)
66 /* for this processor it is simple
67 can pass only the first parameter in a register */
76 _mcs51_parseOptions (int *pargc, char **argv, int *i)
78 /* TODO: allow port-specific command line options to specify
85 _mcs51_finaliseOptions (void)
87 if (options.model == MODEL_LARGE) {
88 port->mem.default_local_map = xdata;
89 port->mem.default_globl_map = xdata;
93 port->mem.default_local_map = data;
94 port->mem.default_globl_map = data;
99 _mcs51_setDefaultOptions (void)
104 _mcs51_getRegName (struct regs *reg)
112 _mcs51_genAssemblerPreamble (FILE * of)
116 /* Generate interrupt vector table. */
118 _mcs51_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts)
123 /** $1 is always the basename.
124 $2 is always the output file.
126 $l is the list of extra options that should be there somewhere...
127 MUST be terminated with a NULL.
129 static const char *_linkCmd[] =
131 "aslink", "-nf", "$1", NULL
134 static const char *_asmCmd[] =
136 "asx8051", "$l", "-plosgffc", "$1.asm", NULL
144 "MCU 8051", /* Target name */
146 TRUE, /* Emit glue around main */
147 MODEL_SMALL | MODEL_LARGE,
152 "-plosgffc", /* Options with debug */
153 "-plosgff", /* Options without debug */
166 /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */
167 1, 1, 2, 4, 1, 2, 3, 1, 4, 4
189 /* mcs51 has an 8 bit mul */
196 _mcs51_finaliseOptions,
197 _mcs51_setDefaultOptions,
198 mcs51_assignRegisters,
201 _mcs51_genAssemblerPreamble,
203 _mcs51_reset_regparm,
209 1, /* transform <= to ! > */
210 1, /* transform >= to ! < */
211 1, /* transform != to !(a == b) */